Journal
REACTIVE & FUNCTIONAL POLYMERS
Volume 73, Issue 3, Pages 499-507Publisher
ELSEVIER
DOI: 10.1016/j.reactfunctpolym.2012.11.010
Keywords
Polyester; Hyperbranched polymer; Micropatterning; Photopolymerization; Cell adhesion; Diazonium salt
Funding
- Spanish MINECO [MAT2011-27978-C02-01, MAT2011-27978-C02-02, MAT2011-26851-C02-01]
- ARAID project for young scientists
- ERC-Starting Grant NANOPUZZLE
- FEDER
- Gobierno de Aragon (Spain)
- ARAID
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Aliphatic hyperbranched polyesters of different generation, having different nucleophilic groups (such as hydroxyl or sulfonate) in the periphery, have been photocrosslinked by using a trifunctional low molecular weight diazonium salt. The photocrosslinking process, that does not require photoinitiator, allows to prepare polymeric materials that have shown not to cause cytotoxicity when used as substrate for cell growth. Furthermore, cell adhesion studies carried out in polymeric micropatterns generated in glass by direct laser writing, show that cells preferentially proliferate on the structure demonstrating cell affinity for the material. (C) 2012 Elsevier Ltd. All rights reserved.
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